f71f404e0c
The environment settings object is effectively the context a piece of script is running under, for example, it contains the origin, responsible document, realm, global object and event loop for the current context. This effectively replaces ScriptExecutionContext, but it cannot be removed in this commit as EventTarget still depends on it. https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object
121 lines
4.5 KiB
C++
121 lines
4.5 KiB
C++
/*
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/URL.h>
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#include <LibJS/Runtime/ExecutionContext.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/EventLoop/EventLoop.h>
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#include <LibWeb/Origin.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/webappapis.html#environment
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struct Environment {
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// FIXME: An id https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-id
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-creation-url
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AK::URL creation_url;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-top-level-creation-url
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AK::URL top_level_creation_url;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-top-level-origin
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Origin top_level_origin;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-target-browsing-context
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RefPtr<BrowsingContext> target_browsing_context;
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// FIXME: An active service worker https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-active-service-worker
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-execution-ready-flag
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bool execution_ready { false };
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};
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enum class CanUseCrossOriginIsolatedAPIs {
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No,
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Yes,
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};
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enum class RunScriptDecision {
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Run,
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DoNotRun,
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};
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// https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object
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struct EnvironmentSettingsObject
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: public Environment
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, public JS::Realm::HostDefined {
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virtual ~EnvironmentSettingsObject() override;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-target-browsing-context
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JS::ExecutionContext& realm_execution_context();
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// FIXME: A module map https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-module-map
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// https://html.spec.whatwg.org/multipage/webappapis.html#responsible-document
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virtual RefPtr<DOM::Document> responsible_document() = 0;
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// https://html.spec.whatwg.org/multipage/webappapis.html#api-url-character-encoding
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virtual String api_url_character_encoding() = 0;
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// https://html.spec.whatwg.org/multipage/webappapis.html#api-base-url
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virtual AK::URL api_base_url() = 0;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-origin
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virtual Origin origin() = 0;
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// FIXME: A policy container https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-policy-container
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-cross-origin-isolated-capability
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virtual CanUseCrossOriginIsolatedAPIs cross_origin_isolated_capability() = 0;
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JS::Realm& realm();
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JS::GlobalObject& global_object();
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EventLoop& responsible_event_loop();
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RunScriptDecision can_run_script();
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void prepare_to_run_script();
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void clean_up_after_running_script();
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void prepare_to_run_callback();
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void clean_up_after_running_callback();
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void push_onto_outstanding_rejected_promises_weak_set(JS::Promise*);
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// Returns true if removed, false otherwise.
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bool remove_from_outstanding_rejected_promises_weak_set(JS::Promise*);
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void push_onto_about_to_be_notified_rejected_promises_list(JS::Handle<JS::Promise>);
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// Returns true if removed, false otherwise.
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bool remove_from_about_to_be_notified_rejected_promises_list(JS::Promise*);
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void notify_about_rejected_promises(Badge<EventLoop>);
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protected:
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explicit EnvironmentSettingsObject(JS::ExecutionContext& realm_execution_context);
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private:
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JS::ExecutionContext& m_realm_execution_context;
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EventLoop* m_responsible_event_loop { nullptr };
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// https://html.spec.whatwg.org/multipage/webappapis.html#outstanding-rejected-promises-weak-set
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// The outstanding rejected promises weak set must not create strong references to any of its members, and implementations are free to limit its size, e.g. by removing old entries from it when new ones are added.
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Vector<JS::Promise*> m_outstanding_rejected_promises_weak_set;
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// https://html.spec.whatwg.org/multipage/webappapis.html#about-to-be-notified-rejected-promises-list
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Vector<JS::Handle<JS::Promise>> m_about_to_be_notified_rejected_promises_list;
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};
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EnvironmentSettingsObject& incumbent_settings_object();
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JS::Realm& incumbent_realm();
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JS::GlobalObject& incumbent_global_object();
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}
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